Apple Mac OS X Security Update (HT211849 - 01)

# Copyright (C) 2020 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.817498");
  script_version("2022-09-26T10:10:50+0000");
  script_cve_id("CVE-2020-9981", "CVE-2020-9968", "CVE-2020-10013", "CVE-2020-9961",
                "CVE-2020-10011", "CVE-2020-9973");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2022-09-26 10:10:50 +0000 (Mon, 26 Sep 2022)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-11-15 20:15:00 +0000 (Sun, 15 Nov 2020)");
  script_tag(name:"creation_date", value:"2020-09-25 12:55:36 +0530 (Fri, 25 Sep 2020)");
  script_name("Apple Mac OS X Security Update (HT211849 - 01)");

  script_tag(name:"summary", value:"Apple Mac OS X is prone to multiple vulnerabilities.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present
  on the target host.");

  script_tag(name:"insight", value:"Multiple flaws exist due to:

  - A logic issue related to improper restrictions.

  - An out-of-bounds read error related to improper bounds checking.

  For more information about the vulnerabilities refer to Reference links.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers
  to access restricted files and may lead to unexpected application termination
  or arbitrary code execution etc.");

  script_tag(name:"affected", value:"Apple Mac OS X versions 10.15.x prior to
  10.15.7, 10.14.x prior to 10.14.6 Security Update 2020-005 Mojave, 10.13.x prior
  to Security Update 2020-005 High Sierra.");

  script_tag(name:"solution", value:"Apply Security Update 2020-005 for 10.13.x,
  Security Update 2020-005 for 10.14.x and upgrade to Apple Mac OS X 10.15.7 or
  later for 10.15.x.");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");
  script_xref(name:"URL", value:"https://support.apple.com/en-us/HT211849");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
  script_family("Mac OS X Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/osx_name", "ssh/login/osx_version");
  exit(0);
}
include("version_func.inc");
include("ssh_func.inc");

osName = get_kb_item("ssh/login/osx_name");
if(!osName){
  exit (0);
}

osVer = get_kb_item("ssh/login/osx_version");
if(!osVer || osVer !~ "^(10\.(13|14|15))" || "Mac OS X" >!< osName){
  exit(0);
}

buildVer = get_kb_item("ssh/login/osx_build");

if(osVer =~ "^10\.13")
{
  if(version_in_range(version:osVer, test_version:"10.13", test_version2:"10.13.5")){
    fix = "Upgrade to latest OS release and apply patch from vendor";
  }

  else if(osVer == "10.13.6")
  {
    if(osVer == "10.13.6" && version_is_less(version:buildVer, test_version:"17G14033"))
    {
      fix = "Apply patch from vendor";
      osVer = osVer + " Build " + buildVer;
    }
  }
}

if(osVer =~ "^10\.14")
{
  if(version_in_range(version:osVer, test_version:"10.14", test_version2:"10.14.5")){
    fix = "Upgrade to latest OS release and apply patch from vendor";
  }

  else if(osVer == "10.14.6")
  {
    if(osVer == "10.14.6" && version_is_less(version:buildVer, test_version:"18G6032"))
    {
      fix = "Apply patch from vendor";
      osVer = osVer + " Build " + buildVer;
    }
  }
}

else if(version_in_range(version:osVer, test_version:"10.15", test_version2:"10.15.6")){
  fix = "10.15.7";
}

if(fix)
{
  report = report_fixed_ver(installed_version:osVer, fixed_version:fix);
  security_message(port:0, data:report);
  exit(0);
}

exit(99);